He Whakawhiti Wea Whakawhiti Pai
Ko nga kaihuri wera nga waahanga matua o te punaha papu wera.Ko te kounga o te whakawhiti wera ka pa tika ki te pai o te whakawhiti wera o te punaha katoa.Hei tauira, ko te raupapa wai wera hokohoko a Hien e tango ana i te kaihuri wera hou, me te ngongo parahi ka whakamahi i te hangarau whakawhiti wera miro-niho ki te whakatutuki i te kaupapa o te whakarei ake i te pai o te whakawhiti wera.Whakakotahitia me te hoahoa hydrophilicfin kowakawaka maha-te tihi me te ahu-maha, ko te pai o te whakawhiti wera o te punaha ka pai ake ma te 15%.
